Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11307326 | Calibration of combined acceleration and pressure sensors | Stig Rune Lennart Tenghamn | 2022-04-19 |
| 10838107 | Sensor system for measuring acceleration and pressure | Stig Rune Lennart Tenghamn | 2020-11-17 |
| 10139505 | Digital sensor streamers and applications thereof | Stig Rune Lennart Tenghamn | 2018-11-27 |
| 8922214 | Electromagnetic geophysical survey systems and methods employing electric potential mapping | Mattias Südow, Peter Lindqvist, Robert Juhasz | 2014-12-30 |
| 8811113 | Method of summing dual-sensor towed streamer signals using seismic reflection velocities | — | 2014-08-19 |
| 8736269 | Electromagnetic geophysical survey systems and methods employing electric potential mapping | Mattias Südow, Peter Lindqvist, Robert Juhasz | 2014-05-27 |
| 8650963 | Electrostatically coupled pressure sensor | Stig Rune Lennart Tenghamn, Anders Mattsson | 2014-02-18 |
| 8089825 | Method of summing dual-sensor towed streamer signals using cross-ghosting analysis | Stig Rune Lennart Tenghamn | 2012-01-03 |
| 7929373 | Method of wavefield extrapolation for single-station, dual-sensor towed streamer signals | — | 2011-04-19 |
| 6865488 | Method of using cascaded sweeps for source coding and harmonic cancellation | Rainer Moerig, David Lee Nyland, Gary A. Sitton | 2005-03-08 |
| 6842701 | Method of noise removal for cascaded sweep data | Rainer Moerig | 2005-01-11 |
| 6687619 | Method of using cascaded sweeps for source coding and harmonic cancellation | Rainer Moerig, David Lee Nyland, Gary A. Sitton | 2004-02-03 |
| 6512980 | Noise reference sensor for use in a dual sensor towed streamer | — | 2003-01-28 |
| 6205403 | Method for determining horizontal geophone orientation in ocean bottom cables | James E. Gaiser | 2001-03-20 |
| 6161076 | Seismic data acquisition and processing using non-linear distortion in a vibratory output signal | William H. Dragoset, Jr. | 2000-12-12 |
| 6021092 | Method for deriving surface consistent reflectivity map from dual sensor seismic data | Josef Paffenholz, Ronald E. Chambers | 2000-02-01 |
| 6021090 | Horizontal and vertical receiver-consistent deconvolution for an ocean bottom cable | James E. Gaiser, Josef Paffenholz | 2000-02-01 |
| 5991238 | Weighted backus filter method of combining dual sensor traces | — | 1999-11-23 |
| 5963507 | Method for improving the accuracy of ocean bottom reflectivity estimations using the inverse backus filter | Josef Paffenholz | 1999-10-05 |
| 5724306 | Method for correcting dual sensor data for imperfect geophone coupling using production seismic data | — | 1998-03-03 |
| 5587968 | Method for measuring the near-surface shear wave velocity for use in determining 3-component 3-D statics | — | 1996-12-24 |
| 5579282 | Method for determining the shear-wave velocity beneath a body of water | — | 1996-11-26 |
| 5408441 | Method for seismic exploration in artic regions | Gary A. Sitton, David Lee Nyland | 1995-04-18 |
| 5235554 | Method for correcting impulse response differences of hydrophones and geophones as well as geophone coupling to the water-bottom in dual-sensor, bottom-cable seismic operations | Joe I. Sanders | 1993-08-10 |
| 5163028 | Method for correcting impulse response differences of hydrophones and geophones as well as geophone coupling to the water-bottom in dual-sensor, bottom-cable seismic operations | Joe I. Sanders | 1992-11-10 |